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Heuristic searching To search for hot cocoa mix, you could search every supermarket aisle (an algorithm), or you could check the breakfast, beverage, and baking supplies sections (heuristics). The heuristics approach is often speedier, but an algorithmic search guarantees you will find it eventually.

Young children have a readiness to learn language. Ten years after coming to the United States, Asian immigrants took a grammar test. Although there is no sharply defined critical period for second language learning, those who arrived before age 8 understood American English grammar as well as native speakers did. Those who arrived later did not